CIMMYT Research Data & Software Repository Network
Not a member yet
1114 research outputs found
Sort by
Replication Data for: Self-Employment Among the Poor: Does It Pay Off?
No full textThe study uses a dataset containing information from 351,297 records and 154 variables related to socioeconomic, demographic, labor, and well-being aspects in the United States, extracted from a publicly accessible source via IPUMS (https://cps.ipums.org/cps/). Data were collected between 2013 and 2020.
The Current Population Survey (CPS), conducted monthly by the U.S. Census Bureau, employs a combination of in-person and telephone interviews to obtain representative data from the population. IPUMS CPS consolidates and facilitates access to data from the CPS since 1962 for research purposes.
These data include household characteristics, employment information, income, health, access to social programs, family structure, educational attainment, racial and Hispanic origin, citizenship, housing, and participation in social assistance programs.
</p
57IBWSN, 42SAWSN, and 35HRWSN - Gene-based marker data for marker-assisted selection
No full textGene-based marker data from international screening nurseries for marker-assisted selection
2019 Product Announcement and Results of the Maize Regional Trials conducted by CIMMYT-Asia in 2017 and 2018
No full textEach year, CIMMYT’s Global Maize Program conducts regional hybrid maize trials through a network of NARS and private seed companies in Asia under various management and environmental conditions (site summary attached in Appendix 4). These entries are compared evaluated against the performance of relevant checks from private seed companies and National Agricultural Research Programs.
The objectives of these regional trials are:
1. To identify improved maize hybrids with higher yield and agronomic performance suitable for target product profiles;
2. To help partners identify improved maize hybrids that can potentially replace outdated, less productive, less resilient and/or less profitable commercial varieties in the market;
3. To monitor the breeding progress and enhance regional genetic gains in maize breeding and product development; and
4. To enrich and widen the genetic base of improved maize germplasm through germplasm exchange.
Details of Regional Trials conducted by CIMMYT in Asia in 2017 and 2018, are based on the below Target Product Profiles.
1. Product profile 1 (Tropical Rainfed (with erratic/excess rainfall) (Appendix 2):
Basic traits: Intermediate maturing, yellow, high yielding, tolerant to drought and waterlogging and resistant to TLB
Nice-to-have / emerging traits: FSR, BLSB, FAW
CRT-3-8 – Intermediate maturing elite pre-commercial hybrids regional trial (including external and internal checks).
2. Product profile 2 (Tropical Rainfed Dry)(Appendix 3):
Basic traits: Intermediate maturing, yellow, high yielding, tolerant to drought and heat and resistance to FSR
Nice-to-have / emerging traits: FAW, Charcoal Rot
CRT-1&2 - Intermediate maturing elite pre-commercial hybrids regional trial (including external and internal checks)
2017 CIMMYT Product Announcement and Results of the Maize Regional Trials for for Southern Africa for 2017
No full textThe summary results of the Regional Trials for CIMMYT Maize Hybrids in Southern Africa for 2017. The trials include
EHYB17 - Early maturing hybrids.
IHYB17 - Medium maturing hybrids.
WEHYB17 - Early and medium maturing WEMA hybrids.
LHYB17 - Late maturing hybrids.
WLHYB17 - Medium and late maturing WEMA hybrids.
ADVQPM17 - QPM hybrids.
</ol
ESWYT 1-41 curated yield data with gap filled phenology
No full textForty-one years of data from the Elite Spring Wheat Yield Trials (ESWYT), including average yield and phenological information at the site-year-OCC (occurrence) level
Impact of nitrogen split application on wheat grain yield and protein content in Conservation Agriculture
No full textResearch on the effect of split nitrogen application on wheat grain yield and quality under conservation agriculture. The study was conducted during the 2016-2017 and 2017-2018 fall-winter cycles in the Bajío region of Guanajuato.
The effects of study locations, wheat varieties, nitrogen fractionation, and their interactions were evaluated.</p
From farms to carbon markets: Farmers’ awareness, motivation, determinants, and impact of participating in carbon farming in India
No full textThis dataset was collected using two questionnaires developed by CIMMYT: the "Household Survey Questionnaire" and the "Lead Farmer Survey Questionnaire". The dataset includes comprehensive household-level, farm-level, plot-level, and village-level information related to carbon farming in India.
The household-level data (from 841 households) covers demographics, landholding, crop production, input use, irrigation, sustainable agricultural practices, awareness and participation in carbon credit programs, payment arrangements, training, and social networks. It enables analysis of factors influencing farmers’ participation in carbon farming, adoption of sustainable practices, and the economic, environmental, and social impacts of such participation.
The village-level data, provided by lead farmers—either carbon farmers or other knowledgeable farmers—includes details on cropping patterns, adoption of resource-conserving technologies, residue management practices, irrigation water availability and quality, distances to agricultural and community facilities, and specific carbon farming activities within the village. This information supports analysis of the dissemination of sustainable practices, local infrastructure and resource conditions, and the role of lead farmers in promoting carbon farming and encouraging other farmers to participate.<p/
Varietal performance and farmer seed choice in Kenya: Experimental data from farmer interventions
No full textField survey conducted in Eastern Kenya, in Embu and Kirinyaga counties in March 2024, covering 1175 households
Using a Video-based Product Ranking Tool (VPRT) as a basis for maize market segmentation in Kenya and Uganda in 2022
No full textThe maize data was collected in 2022 from small-scale farmers in the districts of Mubende and Mityana in Uganda, and the counties of Kakamega and Bungoma in Kenya. The sample size consists of 2,422 small-scale farmers. Farmer profiling questions cover various topics, including:
Socio-demographic Information: Variables such as gender, age, family size, and education.
Farm Information: Details about farm size, crops grown, animals kept, input usage, and key income sources.
Maize Farming Variables: Aspects such as seed purchase, cropping system, seed volume, plot size, harvest volume, and usage.
The data also includes the process of identifying and selecting preferred maize seed varieties, presented in video format. For the video data collection, product descriptions were developed into videos featuring presentations by both a male and a female seed multiplicator. Each farmer was randomly shown three of the eight videos available, utilizing an incomplete block design. In total, 7,266 video presentations were made to the 2,422 farmers
2025 CIMMYT Maize Southern Africa Product Announcement
No full textNew and improved maize hybrids, developed by the CIMMYT Global Maize Program, are available for uptake by public and private sector partners, especially those interested in marketing or disseminating hybrid maize seed across Southern Africa and similar agro-ecological zones. Following a rigorous trialing and a stage-gate advancement process culminating in the 2024/25 Stage 5 trials, CIMMYT advanced a total of eight (8) new elite maize hybrids in Southern Africa in 2025. Phenotypic data collected in Stage 4 and Stage 5 trials for the selected hybrids as well as information about the trial sites are provided in this dataset. These trials were conducted through a network of partners, including NARS and private seed companies, in Southern Africa under various management and environmental conditions